ma8ddegkisage
ma8ddegkisage ma8ddegkisage
  • 11-10-2016
  • Mathematics
contestada

What value of n makes the equation true?



0.7n+0.8n=2.1


n=3.60n=3.60

n=0.60n=0.60

n=1.40n=1.40

n=3.15

Respuesta :

lukasshaitzma
lukasshaitzma lukasshaitzma
  • 12-10-2016
0.7n + 0.8n = 2.1
1.5n = 2.1 (add like terms(0.7+0.8=1.5))
n=2.1/1.5 (get en on its own)
n=1.40
Answer Link

Otras preguntas

explain how coup d'etat is different from an election? need help asap
Shelby is in a college course for half the day and then goes to high school. What program is she in?
what is the operation of an earth leakage tester
Which characteristic distinguishes Earth from the other terrestrial planets
What electrical safety procedure is described below: If you are going to work on something electrical, you should first disconnect it completely from its electr
The __ is responsible for determining the frequency of vibration of the air column in the pool with in a wind instrumen . A. Type of reed use . B. Effectiv
Why is walking away a refusal skill that doesn't always work
What is an entrepreneur and why are they important to Australia?
please help with triangles
Given the reaction below: N2O4 (g) ⇌ 2 NO2 (g) Kc= 4.2 What is the equilibrium concentration of N2O4 if the equilibrium concentration of NO2 is 0.785 M?